 html, body ,#doc{
height: 100%;
} 
 .file-list-box {
height:calc(100% - 150px);
} 

 #mainPanel{
 height:80%;
}

.ui-selectable-helper{
	background: rgb(200,255,255);
	filter:alpha(opacity=50); /*IE*/
	-moz-opacity:0.5; /*MOZ , FF*/
	opacity:0.5; /*CSS3, FF1.5*/
}
#activity {
	position: absolute;
	top: calc(40% - 15px);
	left:50%;
}


